HSH1002UEO : Lamps For Photolithography. PerkinElmer Optoelectronics is a leading manufacturer of mercury short arc lamps ranging in output power from to 8000 watts. These lamps are used in the production of printed circuit boards, liquid crystal displays and semiconductors. The HSH Series lamps are used worldwide in microlithography systems manufactured by ASML, Canon, GCA, Nikon, Karl Suss,.